Segment Reporting - Net Revenues by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Revenues:
Net revenues	$ 777,615	$ 800,692	$ 2,421,418	$ 2,375,499
Americas
Revenues:
Net revenues	639,700	674,500	2,042,400	1,921,700
Europe
Revenues:
Net revenues	115,900	99,100	313,400	378,400
Asia
Revenues:
Net revenues	$ 22,000	$ 27,100	$ 65,600	$ 75,400